Unreal Engine Issues
Unreal Engine Issues
Hair Shadows Not Affecting SSS Back Scattering (Subsurface Profile)
UE - Rendering - Graphics Features - Mar 30, 2026Groom strands do not appear to correctly block transmitted light for Subsurface Scattering Profile Materials. In some cases, not only will they not block the light, but can instead lead to more ligh ...
Gamepad input affects multiple game instances at once, due to not needing focus.
UE - Editor - UI Systems - Slate - Mar 5, 2019Since Gamepad input works without needing focus (which was added in 4.9 with [Link Removed]), a Gamepad's input will also affect all instances running on the same computer. Regression?: No This occ ...
[Console Commands] - au.debug.sounds.sort priority shows all sounds as priority 1.0 when volume scaling is bypassed or sound is 2D
UE - Audio - Apr 5, 2022The priority display does not correctly reflect the set priorities of sounds when they are not being attenuated or when Bypass Volume Scale for Priority is Enabled. If a sound is attenuated and scal ...
The light in the Blueprint Editor's Preview Scene does not respond to any lighting channel but 0.
UE - Framework - Blueprint Editor - Jun 28, 2024In the Blueprint Editor, Primitive Components can be configured to respond to Lighting Channels 0, 1, and/or 2. However, if channel 0 is disabled (even with another one enabled), the Preview Actor's ...
UStaticMeshComponent.PreviousLODLevel always returns 0
UE - Graphics Features - Aug 30, 2017The UStaticMeshComponent.PreviousLODLevel variable always returns 0 no matter what the last LOD actually was. Regression?: No This also occurred in 4.16 ...
Transition Screen Size does not affect LODActors
UE - World Creation - Worldbuilding Tools - HLOD - Nov 18, 2016Transition Screen Size doesn't seem to affect when LODActors are added to the level. This was occurring before Dev-Framework's merge into Main at CL 3198987. ...
BP hierarchy change triggers incorrect map actor load warning: AttachTo: '{0}' is not static {1}, cannot attach '{2}' which is static to it.
UE - Framework - Blueprint - Apr 11, 2024When a blueprint's component hierarchy is changed by changing a child component's mobility value to Static while deleting its parent component which has Movable mobility, levels saved with an outdat ...
UE4Editor_SlateCore!TSharedFromThis<SWidget,0>::AsShared() sharedpointer.h:1221
Tools - Apr 18, 2017This bug report was entered as new crash groups appeared linking to [Link Removed] which was marked as fixed for 4.15.1 and the previous reproduction did not reproduce the issue Error message: Ass ...
Clothing Backstops are Larger than the Clothing Asset When Asset is Imported at a Scale Other than 1.0
UE - Simulation - Physics - Character - Feb 1, 2018Backstops show up to be larger than the clothing asset when an asset is imported at a scale other than 1.0 and a clothing assets is created and applied Inconsistent in 4.18 but consistent in 4.19 ...
Play Rate does not affect audio tracks
UE - Anim - Sequencer - Dec 30, 2016Play Rate does not affect audio tracks. Slowing the play rate also causes the audio tracks to repeat with an offset. Note: This is working straight from a Sound Wave. If you use a sound cue, the ...